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The EXTREME Overclocking Forums are a place for people to learn how to overclock and tweak their PC's components like the CPU, memory (RAM), or video card in order to gain the maximum performance out of their system. There are lots of discussions about new processors, graphics cards, cooling products, power supplies, cases, and so much more!
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05-07-2012, 07:10 AM
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#1 | ||||
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Lebowski Achiever
Senior Member
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Upgrades with older PSU?
Intel Core i5-3570K ASRock Z77 Extreme6 EVGA GeForce GTX 680 Samsung 16GB (4 x 4GB) DDR3 1600 Noctua NH-D14 5 x 120mm case fans 1 x 140mm case fan Will this PSU be adequate for do I need to upgrade? |
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05-07-2012, 07:59 AM
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#2 | ||||
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Canuck Chicken Chaser
Senior Member
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On the short side, Id say. My friend has an Antec 500W with a PhII X4 and a GTX560 Ti 448 (basically a GTX570) and under load the PSU starts blowing air like crazy. My Antec 620W was able to handle that load without any hiccup or increase in fan speed, tho.
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05-07-2012, 08:08 AM
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I am Jean Luc Bacardi
Senior Member
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The GTX680 is not that hungry, you should be able to get away with that PSU. Just run the PSU calculator http://extreme.outervision.com/psucalculatorlite.jsp with your setup to be sure. And if they recommend say 500W, a good 520W unit will work, but it will be a bit too close to be safe imo.
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05-07-2012, 11:41 PM
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A billion megahurtz
Regular Member
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As long as you aren't pushing the CPU or gpu to their limits you should be perfectly fine.
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05-08-2012, 12:23 AM
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#5 | ||||
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Nine Inch Nails
Moderator
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Quote:
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05-08-2012, 02:18 AM
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#6 | ||||
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Santa Hat!
Senior Member
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Your looking at around 400 watts of load on that power supply. I have that same power supply and its capable of delivering its 520 watts all day long with 80%+ efficiency. It is an under rated unit. The similar Corsair HX-620 is build off the same design as the PCP&C 750w unit.
The HX-520 uses a Nippon Chemi-Con primary cap instead of the superior Hitachi unit found in the HX-620, but regardless you have enough head room if you can't afford a power supply. I think you would be fine to use it until you get enough miles on that HX-520 to retire it. I can't say for certain but i would have liked to see jonny guru load that HX-520 close to 550-575 watts and see how it handled it. Regardless they ran it at 520w with no ill effects. http://www.jonnyguru.com/modules.php...Story2&reid=18 |
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05-08-2012, 04:58 AM
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#7 | ||||
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Canuck Chicken Chaser
Senior Member
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OP, how old is your power supply? Aging will affect it a little over time and while the unit was able to hold 550W of juice when it was brand new, after a few years it most likely wont be able to anymore.
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05-08-2012, 05:53 PM
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#8 | ||||
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Santa Hat!
Senior Member
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I have seen audio equipment including power units and amps go for over 15-20 years without capacitor degradation, i think its less of an effect than you would like to believe. Your not going to burn up that power supply with that setup unless it was already a bad unit. I wouldn't even be worried until it had 7 years on the odometer.
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